Protein: B3A2
Anion exchange protein 2 (AE 2) (Anion exchanger 2) (Non-erythroid band 3-like protein) (BND3L) (Solute carrier family 4 member 2)

Gene: B3A2, SLC4A2
Organism: Homo sapiens
Interactions: 142
UniProt ID: P04920

Gene Ontology (top 5):
GO:0005452 - solute:inorganic anion antiporter activity
GO:0005886 - plasma membrane
GO:0005925 - focal adhesion
GO:0006820 - monoatomic anion transport
GO:0007283 - spermatogenesis

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

419997

S4A8
Electroneutral sodium bicarbonate exchanger 1

2

9

High-throughput

0.811

High

127245

LEG8
Galectin-8

3

10

High-throughput

0.667

High

419956

LEG3
Galectin-3

3

10

High-throughput

0.667

High

419965

APJ
Apelin receptor

2

2

High-throughput

0.628

High

419968

PI2R
Prostacyclin receptor

2

3

High-throughput

0.628

High

419987

AT2B2
Plasma membrane calcium-transporting ATPase 2

2

2

High-throughput

0.628

High

420038

GPR21
Probable G-protein coupled receptor 21

2

3

High-throughput

0.628

High

419989

PTH1R
Parathyroid hormone/parathyroid hormone-related peptide receptor

2

4

High-throughput

0.611

High

420006

S39A4
Zinc transporter ZIP4

2

1

High-throughput

0.611

High

420057

GPR52
G-protein coupled receptor 52

2

4

High-throughput

0.611

High

420003

LEG9C
Galectin-9C

3

10

High-throughput

0.609

High

420053

S53A1
Solute carrier family 53 member 1

2

0

High-throughput

0.602

High

373727

RASN
GTPase NRas

2

12

High-throughput

0.584

High

375080

RASK
GTPase KRas

2

12

High-throughput

0.584

High

417207

RPN1
Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1

2

1

High-throughput

0.584

High

420018

F241A
Uncharacterized protein FAM241A

2

0

High-throughput

0.576

High

388349

B3AT
Band 3 anion transport protein

1

9

High-throughput

0.575

High

229930

SAHH2
S-adenosylhomocysteine hydrolase-like protein 1

2

8

High-throughput

0.571

High

170613

CLGN
Calmegin

2

6

High-throughput

0.549

High

419983

PPIA
Peptidyl-prolyl cis-trans isomerase A

2

0

High-throughput

0.547

High

141808

ACKR2
Atypical chemokine receptor 2

1

3

High-throughput

0.536

High

182451

GP182
G-protein coupled receptor 182

1

4

High-throughput

0.536

High

320422

TM63A
Mechanosensitive cation channel TMEM63A

1

2

High-throughput

0.536

High

349356

TSN15
Tetraspanin-15

1

1

High-throughput

0.536

High

351866

S1PR4
Sphingosine 1-phosphate receptor 4

1

7

High-throughput

0.536

High

419950

LEG1
Galectin-1

1

10

High-throughput

0.536

High

419959

TA2R
Thromboxane A2 receptor

1

3

High-throughput

0.536

High

419962

CALX
Calnexin

1

6

High-throughput

0.536

High

419964

VIPR1
Vasoactive intestinal polypeptide receptor 1

1

4

High-throughput

0.536

High

419966

P2RY2
P2Y purinoceptor 2

1

6

High-throughput

0.536

High

419967

VIPR2
Vasoactive intestinal polypeptide receptor 2

1

4

High-throughput

0.536

High

419969

P2RY1
P2Y purinoceptor 1

1

6

High-throughput

0.536

High

419970

AGRE5
Adhesion G protein-coupled receptor E5

1

4

High-throughput

0.536

High

419974

CCR6
C-C chemokine receptor type 6

1

3

High-throughput

0.536

High

419976

PAR2
Proteinase-activated receptor 2

1

6

High-throughput

0.536

High

419991

LMAN2
Vesicular integral-membrane protein VIP36

1

1

High-throughput

0.536

High

419992

GPR17
Uracil nucleotide/cysteinyl leukotriene receptor

1

6

High-throughput

0.536

High

419995

DHC24
Delta(24)-sterol reductase

1

1

High-throughput

0.536

High

420012

P2RY8
S-geranylgeranyl-glutathione receptor P2RY8

1

6

High-throughput

0.536

High

420014

AGRG5
Adhesion G-protein coupled receptor G5

1

3

High-throughput

0.536

High

420033

CREL1
Protein disulfide isomerase CRELD1

1

5

High-throughput

0.536

High

420036

OPALI
Opalin

1

1

High-throughput

0.536

High

420041

S39A8
Metal cation symporter ZIP8

1

1

High-throughput

0.536

High

420042

NMUR2
Neuromedin-U receptor 2

1

1

High-throughput

0.536

High

420044

TTYH1
Protein tweety homolog 1

1

1

High-throughput

0.536

High

420049

LPAR2
Lysophosphatidic acid receptor 2

1

2

High-throughput

0.536

High

420050

RXFP1
Relaxin receptor 1

1

3

High-throughput

0.536

High

66701

OR5H1
Olfactory receptor 5H1

1

0

High-throughput

0.513

High

124999

KCNK1
Potassium channel subfamily K member 1

1

0

High-throughput

0.513

High

248463

O10H2
Olfactory receptor 10H2

1

0

High-throughput

0.513

High

344447

STR3N
STARD3 N-terminal-like protein

1

0

High-throughput

0.513

High

419999

NKAI1
Sodium/potassium-transporting ATPase subunit beta-1-interacting protein 1

1

0

High-throughput

0.513

High

420002

ATLA3
Atlastin-3

1

0

High-throughput

0.513

High

420009

TMC4
Voltage-gated chloride channel TMC4

1

0

High-throughput

0.513

High

420016

M4A15
Membrane-spanning 4-domains subfamily A member 15

1

0

High-throughput

0.513

High

420019

SIDT2
SID1 transmembrane family member 2

1

0

High-throughput

0.513

High

420023

OR4N2
Olfactory receptor 4N2

1

0

High-throughput

0.513

High

420024

O52I1
Olfactory receptor 52I1

1

0

High-throughput

0.513

High

420025

OR6T1
Olfactory receptor 6T1

1

0

High-throughput

0.513

High

420030

CCD47
PAT complex subunit CCDC47

1

0

High-throughput

0.513

High

420031

CKLF5
CKLF-like MARVEL transmembrane domain-containing protein 5

1

0

High-throughput

0.513

High

420032

S41A3
Solute carrier family 41 member 3

1

0

High-throughput

0.513

High

420039

SGMR1
Sigma non-opioid intracellular receptor 1

1

0

High-throughput

0.513

High

420040

ZNT2
Proton-coupled zinc antiporter SLC30A2

1

0

High-throughput

0.513

High

137307

ELL2
RNA polymerase II elongation factor ELL2

1

2

High-throughput

0.489

High

419998

LEG9B
Galectin-9B

1

10

High-throughput

0.489

High

125138

LEG9
Galectin-9

1

10

High-throughput

0.479

High

173833

AT2A1
Sarcoplasmic/endoplasmic reticulum calcium ATPase 1

1

4

High-throughput

0.479

High

189379

STX7
Syntaxin-7

1

4

High-throughput

0.479

High

217705

TGON2
Trans-Golgi network integral membrane protein 2

1

2

High-throughput

0.479

High

327144

ZFPL1
Zinc finger protein-like 1

1

1

High-throughput

0.479

High

395310

ESR1
Estrogen receptor

1

1

High-throughput

0.479

High

408607

G3P
Glyceraldehyde-3-phosphate dehydrogenase

1

3

Small-scale

0.479

High

417884

RPN2
Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 2

1

1

High-throughput

0.479

High

419951

LAMP1
Lysosome-associated membrane glycoprotein 1

1

3

High-throughput

0.479

High

419953

RHOQ
Rho-related GTP-binding protein RhoQ

1

16

High-throughput

0.479

High

419954

CXA1
Gap junction alpha-1 protein

1

4

High-throughput

0.479

High

419971

RAB5C
Ras-related protein Rab-5C

1

4

High-throughput

0.479

High

419972

RAB7A
Ras-related protein Rab-7a

1

6

High-throughput

0.479

High

419973

BAP31
B-cell receptor-associated protein 31

1

2

High-throughput

0.479

High

419977

SC61B
Protein transport protein Sec61 subunit beta

1

1

High-throughput

0.479

High

419978

RAC3
Ras-related C3 botulinum toxin substrate 3

1

15

High-throughput

0.479

High

419979

CDC42
Cell division control protein 42 homolog

1

18

High-throughput

0.479

High

419981

RHOA
Transforming protein RhoA

1

13

High-throughput

0.479

High

419982

ARF6
ADP-ribosylation factor 6

1

1

High-throughput

0.479

High

419984

RAC1
Ras-related C3 botulinum toxin substrate 1

1

15

High-throughput

0.479

High

419986

RHOG
Rho-related GTP-binding protein RhoG

1

13

High-throughput

0.479

High

419988

CAV1
Caveolin-1

1

2

High-throughput

0.479

High

419990

STX4
Syntaxin-4

1

4

High-throughput

0.479

High

419994

RAB35
Ras-related protein Rab-35

1

2

High-throughput

0.479

High

419996

OCLN
Occludin

1

2

High-throughput

0.479

High

420004

LTOR1
Ragulator complex protein LAMTOR1

1

1

High-throughput

0.479

High

420008

RHOU
Rho-related GTP-binding protein RhoU

1

20

High-throughput

0.479

High

420015

CXD3
Gap junction delta-3 protein

1

4

High-throughput

0.479

High

420021

RN149
E3 ubiquitin-protein ligase RNF149

1

6

High-throughput

0.479

High

420027

CEMIP
Cell migration-inducing and hyaluronan-binding protein

1

1

Small-scale

0.479

High

420035

DNJC1
DnaJ homolog subfamily C member 1

1

5

High-throughput

0.479

High

420037

PANX1
Pannexin-1

1

1

High-throughput

0.479

High

420045

DNJC5
DnaJ homolog subfamily C member 5

1

2

High-throughput

0.479

High

420046

RHOJ
Rho-related GTP-binding protein RhoJ

1

16

High-throughput

0.479

High

420047

TMT1A
Thiol S-methyltransferase TMT1A

1

1

High-throughput

0.479

High

420048

RHOF
Rho-related GTP-binding protein RhoF

1

17

High-throughput

0.479

High

420051

ELOV5
Very long chain fatty acid elongase 5

1

1

High-throughput

0.479

High

420052

B3GA1
Galactosylgalactosylxylosylprotein 3-beta-glucuronosyltransferase 1

1

1

High-throughput

0.479

High

420055

ALK
ALK tyrosine kinase receptor

1

10

High-throughput

0.479

High

419955

KCNA6
Potassium voltage-gated channel subfamily A member 6

1

0

High-throughput

0.458

High

420007

LMBRL
Protein LMBR1L

1

0

High-throughput

0.458

High

358574

LDHA
L-lactate dehydrogenase A chain

1

1

High-throughput

0.445

High

419949

LDHB
L-lactate dehydrogenase B chain

1

1

High-throughput

0.445

High

419957

PTN1
Tyrosine-protein phosphatase non-receptor type 1

1

7

High-throughput

0.445

High

419963

5HT1E
5-hydroxytryptamine receptor 1E

1

1

High-throughput

0.445

High

419993

NONO
Non-POU domain-containing octamer-binding protein

1

1

High-throughput

0.445

High

420013

UBR2
E3 ubiquitin-protein ligase UBR2

1

1

High-throughput

0.445

High

420056

CBPC1
Cytosolic carboxypeptidase 1

1

1

High-throughput

0.445

High

419980

RAB2A
Ras-related protein Rab-2A

1

3

High-throughput

0.437

High

420010

UBP48
Ubiquitin carboxyl-terminal hydrolase 48

1

2

Small-scale

0.437

High

420020

DHB11
Estradiol 17-beta-dehydrogenase 11

1

1

High-throughput

0.437

High

420029

CK052
Uncharacterized protein C11orf52

1

1

High-throughput

0.437

High

420043

3BHS7
3 beta-hydroxysteroid dehydrogenase type 7

1

1

High-throughput

0.437

High

303211

S22A5
Organic cation/carnitine transporter 2

1

0

High-throughput

0.426

High

328843

RTN3
Reticulon-3

1

0

High-throughput

0.426

High

419948

G6PI
Glucose-6-phosphate isomerase

1

0

High-throughput

0.426

High

419952

UD2B7
UDP-glucuronosyltransferase 2B7

1

0

Small-scale

0.426

High

419958

PGAM1
Phosphoglycerate mutase 1

1

0

High-throughput

0.426

High

420058

5MP1
eIF5-mimic protein 1

1

0

High-throughput

0.426

High

419961

SFPQ
Splicing factor, proline- and glutamine-rich

1

1

High-throughput

0.407

High

420028

KBTB7
Kelch repeat and BTB domain-containing protein 7

1

2

High-throughput

0.407

High

420034

SAHH3
Adenosylhomocysteinase 3

1

8

High-throughput

0.407

High

420011

RETR3
Reticulophagy regulator 3

4

0

High-throughput

0.360

High

331497

SPDEF
SAM pointed domain-containing Ets transcription factor

3

0

High-throughput

0.347

High

225352

ERD23
ER lumen protein-retaining receptor 3

2

0

High-throughput

0.328

High

420022

SRARP
Steroid receptor-associated and regulated protein

2

0

High-throughput

0.324

High

419975

ATX1
Ataxin-1

1

0

High-throughput

0.282

High

219267

B4GA1
Beta-1,4-glucuronyltransferase 1

1

0

High-throughput

0.279

Low

420001

REP15
Rab15 effector protein

1

0

High-throughput

0.279

Low

420017

KTAP2
Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit KCP2

1

0

High-throughput

0.279

Low

420026

THOC2
THO complex subunit 2

1

0

High-throughput

0.279

Low

419985

GBRE
Gamma-aminobutyric acid receptor subunit epsilon

1

0

High-throughput

0.249

Low

420054

ZRAN1
Ubiquitin thioesterase ZRANB1

1

0

High-throughput

0.249

Low

419960

UBA1
Ubiquitin-like modifier-activating enzyme 1

1

0

High-throughput

0.232

Low

420000

YIF1B
Protein YIF1B

1

0

High-throughput

0.232

Low

420005

LIN54
Protein lin-54 homolog

1

0

Small-scale

0.232

Low


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Last updated: 11Aug2025